Hi,
10 year old D40, 90K miles and getting P0 437: Catalyst Temperature Sensor Low Input Bank 2 Sensor 1.
Both engine and DPF lights came on. As I was pulling a 4 ton trailer up the Pyrenees, doing 4K revs on and off I'm thinking it's not the DPF. Got home OK, no real effect on the Navara except the odd puff of black smoke when changing gear (auto) and then the warning lights go out. Now 2 weeks later and they're back on.
Local garage think that the DPF didn't regenerate correctly? Or is it an EGR (not blanked) fault? Or in fact a failure of what it says, sensor knackered?
What do you guys reckon?
10 year old D40, 90K miles and getting P0 437: Catalyst Temperature Sensor Low Input Bank 2 Sensor 1.
Both engine and DPF lights came on. As I was pulling a 4 ton trailer up the Pyrenees, doing 4K revs on and off I'm thinking it's not the DPF. Got home OK, no real effect on the Navara except the odd puff of black smoke when changing gear (auto) and then the warning lights go out. Now 2 weeks later and they're back on.
Local garage think that the DPF didn't regenerate correctly? Or is it an EGR (not blanked) fault? Or in fact a failure of what it says, sensor knackered?
What do you guys reckon?